叶片全三维反问题优化设计方法

朱阳历; 王正明; 陈海生; 谭春青

叶片全三维反问题优化设计方法

1.
中国科学院工程热物理研究所, 北京 100190
2.
中国科学院研究生院, 北京 100049

基金项目: 国家自然科学基金(50906079); 国家重点基础研究发展计划(2012CB720400)

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出版历程
- 收稿日期: 2011-06-21
- 刊出日期: 2012-05-28

Full 3-D inverse design optimization method for turbomachinery blade

1.
Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 基于数值求解Navier-Stokes方程,对叶轮机械叶片全三维反问题优化设计方法进行研究.反问题给定叶片表面的静压分布反求叶型,假设叶表网格点有虚拟移动速度,迭代过程中根据叶表的实际静压和目标静压之差来修改叶型.对单排叶栅进行了反问题设计,并给出了初步的优化算例,结果能很好地满足目标静压分布,验证了该方法的有效性,计算的时间和精度也适合进行工程应用.
- 全三维反问题设计 /
- 叶片优化 /
- 叶轮机械 /
- Navier-Stokes方程 /
- 激波
Abstract: Full 3-D inverse design optimization method for turbomachinary blade was studied,which was based on numerical solver of Navier-Stokes equations.Pressure distribution on blade surface was specified for obtaining the corresponding blade profile in inverse problem,assuming there was virtual velocity of grid node on blade surface;blade geometry was modified by the difference between surface pressure and target pressure during iterative procedure.Inverse designs of cascade and optimization example indicate that solution of new blade profile matches target pressure well,which validates effectiveness of this method.The method is practical for engineering applications in time cost and accuracy.
- full 3-D inverse design /
- blade optimization /
- turbomachine /
- Navier-Stokes equation /
- shock

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参考文献(16)

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